The widely publicized event sold out to the public within the first half hour, the BBC reports. A Twitter account dedicated to the event claimed that the tickets were all snagged within just six minutes.

In addition to a performance by Grande, the show will also feature top acts like Justin Bieber, Katy Perry, Miley Cyrus, Niall Horan, The Black Eyed Peas, Coldplay, Usher, and Pharrell Williams.

Fans who attended Grande’s Manchester show the night of the bombing will be eligible to enter a lottery to win free tickets to the show. And Ticketmaster is working to ensure that no resellers will attempt to profit off of the charity event.

#OneLoveManchester We're working hard to get tickets direct to fans. We are cancelling tickets of those who are reselling wherever possible